A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic spacing 0.2 nm.Which X-ray wavelength is preferentially reflected?
A)0.0943 nm
B)0.139 nm
C)0.069 5 nm
D)1.02 * 10-10 m
E)3.47 * 10-11 m

Question

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The Answer of A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic spacing 0.2 nm.Which X-ray wavelength is preferentially reflected?
A)0.0943 nm
B)0.139 nm
C)0.069 5 nm
D)1.02 * 10-10 m
E)3.47 * 10-11 m

A Beam of X-Rays of Different Frequencies Is Reflected at 10